Glycoside Hydrolase Family 14

Activities in Familyβ-amylase (EC 3.2.1.2)
Mechanism Inverting
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
External resourcesCAZypedia; HOMSTRAD; PRINTS; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME;
Statistics GenBank accession (1155); Uniprot accession (59); PDB accession (51); 3D entries (6); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 β-amylase (SpoII) 3.2.1.2 Bacillus cereus VAR. MYCOIDES BAA34650.1
BAA75890.1
P36924
Q9Z4N9
1B90[A] 2.50
1B9Z[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.10
1ITC[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp
2.10
1ITD[nd]
1ITJ[nd]
1J0Y[A,B,C,D] β-D-Glcp
2.10
1J0Z[A,B,C,D] α-D-Glcp-(1-4)-β-D-Glcp
2.20
1J10[A,B,C,D] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Xylp
α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Xylp
2.10
1J11[A,B,C,D] 2.00
1J12[A,B,C,D] 2.10
1J18[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.00
1VEM[A] α-D-Glcp-(1-4)-α-D-Glcp
1.85
1VEN[A] D-1-deoxy-Glcp
α-D-Glcp
2.02
1VEO[A] α-D-Glcp
α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.12
1VEP[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.06
5BCA[A,B,C,D] 2.20
 multidomain α-amylase / β-amylase 3.2.1.2 Paenibacillus polymyxa AAA85446.1
CAA68344.1
P21543
3VOC[A] 1.95
Eukaryota
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 β-amylase (Bmy1) 3.2.1.2 Glycine max CAA50551.1
AAA33941.1
AAY40266.1
AAZ38831.1
AAZ38832.1
BAA09462.1
BAA20453.1
BAD93288.1
BAD93289.1
BAD93290.1
BAD93291.1
P10538
Q42795
Q45UE7
Q4U3W3
Q588Z3
Q588Z4
Q588Z5
Q588Z6
1BFN[A] 2.07
1BTC[A] 2.00
1BYA[A] 2.20
1BYB[A] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp
1.90
1BYC[A] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp
2.20
1BYD[A] α-D-Glcp-(1-4)-α-D-2-deoxy-Glcp
α-D-Glcp-(1-4)-β-D-2-deoxy-Glcp
2.20
1Q6C[A] α-D-Glcp-(1-4)-α-D-Glcp
1.86
1Q6D[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.00
1Q6E[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
1.95
1Q6F[A] α-D-Glcp-(1-4)-β-D-Glcp
2.10
1Q6G[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
2.00
1UKO[A,B,C,D] 2.10
1UKP[A,B,C,D] 2.10
1V3H[A] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp
1.60
1V3I[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
1.90
1WDP[A] 1.27
1WDQ[A] α-D-Glcp-(1-4)-α-D-Glcp
1.28
1WDR[A] α-D-Glcp-(1-4)-α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
1.35
1WDS[A] α-D-Glcp
α-D-Glcp-(1-4)-β-D-Glcp
1.64
2DQX[A] 2.20
 β-amylase (Bmy1) 3.2.1.2 Hordeum vulgare CAA36556.1
AAC67245.1
AAC67246.1
AAG25637.1
AAG25638.1
AAR18251.1
ACF05414.1
ACF05415.1
ACN24987.1
ADB54608.1
AGY14523.1
AGY14525.1
AGY14526.1
AGY14531.1
AGY14533.1
AGY14534.1
BAA04815.1
BAA08741.1
BAA09793.1
BAB39391.1
BAF93949.1
BAF93959.1
CAC16789.1
CAX51376.1
A8CFR3
A9E457
C1IIM6
D6BU16
P16098
P82993
Q6SNP7
Q84T20
Q9AVJ8
Q9FSI3
Q9FUK6
Q9FUK7
Q9SB23
Q9SBH7
U5NFU3
1B1Y[A] α-D-Glcp-(1-4)-β-D-Glcp
β-D-Glcp
2.50
2XFF[A] <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp
1.31
2XFR[A] 0.97
2XFY[A] a-cyclodextrin
1.21
2XG9[A] α-D-Glcp-(1-1)-<non_carb>
<carb_like_NOJ>
1.80
2XGB[A] 1.20
2XGI[A] <carb_like_EBQ>
1.30
6F9H[A] α-D-Glcp-(1-1)-<non_carb>
1.90
6F9J[A] α-D-Manp-(1-1)-<non_carb>
<carb_like_NOJ>
1.67
6F9L[A] α-D-Glcp-(1-4)-α-D-Glcp3F
1.77
 β-amylase (Bmy1;AmyB;β-Amy) 3.2.1.2 Ipomoea batatas BAA02286.1
AAM27213.1
BAA00828.1
QTO06083.1
QTO06084.1
QTO06085.1
QTO06086.1
QTO06087.1
QTO06088.1
QTO06089.1
QTO06090.1
QTO06091.1
QTO06092.1
QTO06093.1
QTO06094.1
QTO06095.1
QTO06096.1
QTO06097.1
QTO06098.1
QTO06099.1
QTO06100.1
QTO06101.1
QTO06102.1
QTO06103.1
QTO06104.1
QTO06105.1
QTO06106.1
QTO06107.1
P10537
Q8LRT8
1FA2[A] α-D-Glcp-(1-4)-β-D-2-deoxy-Glcp
2.30
5WQS[A] 1.90
5WQU[A] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp
2.49
 β-amylase   Triticum aestivum CAA67128.1
SPT17452.1
 
6GER[A] 2.00
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